[tor-dev] Proposed addition to Proposal 179

Tim Wilde twilde at cymru.com
Wed Sep 28 21:22:53 UTC 2011


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Hey All,

In some recent research we came across another easily-fingerprintable
attribute of the Tor TLS handshake, so I would like to propose this
addition to Proposal 179:

https://github.com/twilde/torspec/commit/c202230b40c72cbdbe43bbda9cc1a7caad35e78c

Or, if in my git-newb-ish-ways I represent this correctly:

git://github.com/twilde/torspec.git@c202230b40

Short summary: we should send an SSL Session ID, even if we don't
track it or ever use it (which I wouldn't suggest we do) because not
sending one makes us stick out like a sore thumb. :)

Apologies if my git-newb-ish-nes makes this more difficult to grab,
pointers welcome (I may be a git newb but I'm totally in love with it,
mmm, sexy VCS :)).

Thanks,
Tim

- -- 
Tim Wilde, Senior Software Engineer, Team Cymru, Inc.
twilde at cymru.com | +1-847-378-3333 | http://www.team-cymru.org/
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